<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck"/><text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
  </view>
</template>

<script>
  import { mapState ,mapGetters, mapMutations } from 'vuex'
  export default {
    name:"my-settle",
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      isFullCheck(){
        return this.checkedCount === this.total
      }
    },
    data() {
      return {
        //倒计时秒数
        seconds: 3,
        timer: null
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState(){
        this.updateAllGoodsState(!this.isFullCheck)
      },
      //结算按钮
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择购物商品')
        if(!this.addstr) return uni.$showMsg('请选择收货地址')
        // if(!this.token) return uni.$showMsg('请先登录')
        if(!this.token) return this.delayNavigate()
        this.payOrder()
      },
      async payOrder(){
        //1创建订单
          // 1.1 组织订单的信息对象
          const orderInfo = {
            // order_price: this.checkedGoodsAmount,
            order_price: 0.01,
            consignee_addr: this.addstr,
            goods: this.cart.filter(x=>x.goods_state).map(x=>({goods_id:x.goods_id,goods_number:x.goods_count,goods_price: x.goods_price}))
          }
          // 1.2 发起请求创建订单
          const {data: res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
          if(res.meta.status!==200) return uni.$showMsg('创建订单失败')
          // 1.3 得到服务器响应的“订单编号”
          const orderNumber = res.message.order_number
        // 2. 订单预支付
          const { data: res2 } = uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number: orderNumber})
          if(res2.meta.status!==200) return uni.$showMsg('预付订单生成失败！')
          const payInfo = res2.message.pay
        // 3. 发起微信支付
        const [err,succ] = await uni.requestPayment(payInfo)
        //3.2 未完成支付
        if(err) return uni.$showMsg('订单未支付！')
        // 3.3 完成了支付，进一步查询支付的结果
        const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', {order_number: orderNumber})
        if(res3.meta.status!==200) return uni.$showMsg('订单未支付！')
        uni.showToast({
          title: '支付完成！',
          icon: 'success'
        })
      },
      //消息提示
      showTips(n){
        uni.showToast({
          icon: 'none',
          title: '清结算后在登陆' + n + '秒后自动跳转到登录页',
          //添加遮罩层防止点击穿透
          mask: true,
          //1.5秒后自动消失
          duration: 1500
        })
      },
      // 延迟导航到my页面
      delayNavigate(){
        this.seconds = 3
        //展示消息此时seconds消息为3秒
        this.showTips(this.seconds)
        this.timer = setInterval(()=>{
           this.seconds--
           if(this.seconds<=0){
             clearInterval(this.timer)
             uni.switchTab({
               url: '/pages/my/my',
               success: () => {
                 this.updateRedirectInfo({
                   openType: 'switchTab',
                   from: '/pages/cart/cart'
                 })
               }
             })
             return
           }
           this.showTips(this.seconds) 
        },1000)
      }
    }
  }
</script>

<style lang="scss">
.my-settle-container{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  .radio{
    margin-left: 5px;
    display: flex;
    align-items: center;
  }
  .amount-box{
    .amount{
      color: #C00000;
    }
  }
  .btn-settle{
    background-color: white;
    height: 50px;
    min-width: 100px;
    padding: 0 10px;
    line-height: 50px;
    text-align: center;
    background-color: #C00000;
  }
}
</style>
